| A8G2U2 | HIS7_PROM2 | Prochlorococcus marinus (strain MIT 9215) | hisB P9215_03061 | Detail |
| A2C0B5 | HIS7_PROM1 | Prochlorococcus marinus (strain NATL1A) | hisB NATL1_03611 | Detail |
| P86397 | HTD2_HUMAN | Homo sapiens (Human) | HTD2 | Detail |
| A2CCN3 | HIS7_PROM3 | Prochlorococcus marinus (strain MIT 9303) | hisB P9303_25121 | Detail |
| A3CNT3 | HIS7_STRSV | Streptococcus sanguinis (strain SK36) | hisB SSA_1445 | Detail |
| Q03K79 | HIS7_STRTD | Streptococcus thermophilus (strain ATCC BAA-491 / LMD-9) | hisB STER_1203 | Detail |
| C4KHS1 | HIS7_SULIK | Sulfolobus islandicus (strain M.16.4 / Kamchatka #3) | hisB M164_1534 | Detail |
| Q5P792 | HIS7_AROAE | Aromatoleum aromaticum (strain EbN1) (Azoarcus sp. (strain EbN1)) | hisB AZOSEA06960 ebA1296 | Detail |
| O66455 | HIS7_AQUAE | Aquifex aeolicus (strain VF5) | hisB aq_039 | Detail |
| A8FHR2 | HIS7_BACP2 | Bacillus pumilus (strain SAFR-032) | hisB BPUM_3125 | Detail |